Yui Komori is tired of being a play thing for the brothers'. It's one morning when she's weakened by blood loss and her iron is dangerously low when Kino Sakamaki, the illegitimate son of Karl Heinz, offers her a way out. He, however, tells her she will be his bride and wife. Yui could swear she only wanted out but she never counted on caring for the brothers and him so much...

With each passing day, the rose's petals fell one by one. She had endured enough. It was time to end this.